热门试题:
[单选题]钩身上部与冲击座下部间隙为 20-48mm;车钩托板与摆块挂钩底面间隙为 4-18mm,车钩托板安装处焊接牵引梁下盖板结构者,车钩托板与摆块挂钩搭接量不小于 ()mm
A.5
B.10
C.15
D.20
[单选题]玻璃的品种、规格、尺寸、色彩、图案和涂膜朝向应符合设计要求。单块玻璃面积大于 ( ) 时应使用安全玻璃。( )
A.1.5m2
B.2.5m2
C.2m2
D.0.5m2
[判断题]各级单位应当严格按照车辆编配用途、性能和规定的动用数量、行驶区域使用,按照规定组织车辆初驶、 封存、启封、保养和检查,准确掌握车辆的动用、数量、质量、 车公里消耗和维护保养等动态情况。 ( )
A.正确
B.错误
[单选题]某省级环境保护行政主管部门负责审批的建设项目,拟向已有地方水污染物排放标准的水体排放水污染物。根据《中华人民共和国水污染防治法》,其水污染物排放应执行( )。
A.国家水污染物排放标准
B.地方水污染物排放标准
C.由行业主管部门确认的排放标准
D.由省级质量技术监督主管部门确认的排放标准
[判断题]高压配电站、开闭所、箱式变电站、环网柜等高压配电设备应有防误操作闭锁装置。
A.正确
B.错误
[单选题]麻花钻头锥柄的扁尾用于()。
A.增加传递力矩,防止打滑,方便退出;
B.防止打滑;
C.方便退出;
D.夹紧。
[单选题]智能终端按照___可以分为两种形态,一种是2G/3G/4G/5G/NB自动联网等设备,一种是Wi-Fi/Zigbee/蓝牙/有线设备。
A.通信类型
B.连接类型
C.产品类型
D.交互类型
[多选题]工作地点,应停电的线路和设备包括:危及营销现场作业安全,且不能采取相应安全措施的( )。
A..交叉跨越线路
B..平行线路
C..同杆(塔)架设线路
D..通讯线路
[单选题]联合国开发计划署把新能源分为( )。
A.传统能源之外的各种能源形式
B.水能、太阳能、风能、地热能
C.大中型水电、新可再生能源、传统生物质能
D.小水电、太阳能、风能、现代生物质能、地热能
[单项选择]伤寒患者解除隔离的标志是( )
A. 临床症状消失后2周
B. 体温下降至正常
C. 血嗜酸粒细胞恢复正常
D. 临床症状消失后粪便培养连续2次阴性
E. 自发病之日起已隔离满2周
[判断题]生产经营单位应当建立安全生产风险管控机制,定期进行安全生产风险排查,对排查出的风险点按照危险性确定风险等级,并采取相应的风险管控措施,对风险点进行公告警示。
A.正确
B.错误
[单项选择]女,41岁,腰背部疼痛10年,加重3月,否认外伤史,腰背部酸胀痛,运动无明显受限,晨起疼痛显著,活动后好转,劳累后加重,口服布洛芬有时有效。查体腰背部无畸形,脊柱叩击痛阴性。棘间及椎旁两侧肌肉压痛阳性,左侧显著,肌肉成条索状变硬,左肩胛下角区亦有肌紧张,压痛(+),双下肢无异常。该患者为明显诊断,应进行的辅助检查包括()。
A. 腹部消化系统及泌尿系统B超
B. 风湿检验及血沉化验
C. 胸腰椎X线
D. 化验HLA-B27
E. 肿瘤标记物化验
F. 胸腰椎MRI
[单选题]《建设工程高大模板支撑系统施工安全监督管理导则》中规定,高大模板支撑系统应在搭设完成后,由项目技术负责人组织验收。( )
A.正确
B.错误
[单选题]关于等效变换说法正确的是(____)。
A. 电动势
B. 电势差
C. 电压
D. 电压差
[单项选择]
A month ago, the British government announced a plan to keep terrorist suspects indefinitely under house arrest (1) the home secretary’s say-so, It has been attacked from all sides ever since. This week the government backtracked. Under the Prevention of Terrorism bill, (2) to Parliament this week, house arrest would (3) a potential (4) in the government’s ever-expanding anti-terrorist arsenal, but the government would first have to (5) of Article 5 of the European Convention on Human Rights guaranteeing a right to liberty. Parliament would have to vote on that.
The government could do this (6) the terrorist threat to Britain, already described by the government as " (7) ", got even worse. Even then, the powers would remain (8) by political and judicial safeguards. Before the home secretary could make a house-arrest order, he would have to be satisfied on the (9) of probabilities--no long
A. defiance
B. degeneration
C. derogation
D. delay
[判断题] 货车车轴轴端面的菱形钢印表示检查员的责任钢印。
A.正确
B.错误
[单选题] 编纂民法典是党的十八届四中全会确定的一项重大( )任务和立法任务,是以同志为核心的党中央作出的重大法治建设部署。
A.思想
B.政治
C.文化
D.经济
[判断题]不得使用汽油、酒精、及其他有机溶剂、去污粉等,以免机器变色,表面漆裂。
A.正确
B.错误
[单选题]以dNTP为底物
A.RNA聚合酶
B.反转录酶
C.两者皆是
D.两者皆是
[单项选择]
Shoppers who carefully plan their visit to the grocery store can save money on their grocery bills. Shopping when not (61) , sticking to their grocery list, and (62) a few simple rules will cut down the grocery bill.
Shoppers should visit the grocery store on a full stomach by planning their trip (63) after a large meal. If that’s not (64) , they should find something (65) to eat on while preparing a grocery list. Most shoppers are less likely to buy extras when they are not troubled by (66) .
Although having a list and (67) to it is the most important factor in saving money, (68) must prepare lists wisely in order to (69) . A carefully planned list should (70) in season produce and any items on (71) or discounted through coupons. Many special buys are announced through the local newspapers, so buying the "grocery issue" is (72) the money you spend. (73) , it
A. replying
B. according
C. belonging
D. sticking
[简答题] 12781)说明柴油机功率不足的原因。 1.0分)
[单选题] 大闸手柄置“( )”位:均衡风缸在22s内升至580kPa,列车管压力跟随均衡风缸压力上升。
A.缓解
B.重联位
C.运转
D.紧急制动
[多项选择]关节脱位的并发症是
A. 关节内骨折
B. 关节外骨折
C. 血管损伤
D. 压迫神经
E. 创伤性关节炎
[单项选择]丘脑的非特异投射系统的主要作用是
A. 引起触觉
B. 引起牵涉痛
C. 调节内脏功能
D. 维持睡眠状态
E. 维持大脑皮层的兴奋状态
[单选题]PID图中调节阀旁标注“FC”,说明此调节阀在气源停止时( )。
A. 打开
B.锁定位置
C. 关闭
D. 不能确定
[单项选择]农行对违规责任人员给予()(含)以上纪律处分的,必须由农行二级分行(含)以上行长办公会或党委会研究决定,并由监察部门执行。
A. 警告
B. 记过
C. 记大过
[单选题]甲公司与乙公司签订了两份合同:一是以货换货合同,甲公司的货物价值200万元,乙公司的货物价值150万元,乙公司另支付补价50万元;二是采购合同,甲公司购买乙公司50万元货物,但因故合同未能兑现。甲公司应缴纳印花税( )。
A.150元
B.600元
C.1050元
D.1200元
[判断题]压力的国际标准单位是帕斯卡,符号是MPa。
A.正确
B.错误
[多选题]安全生产责任制应符合( ),根据( )及时进行修订。
A.A安全实际
B.B企业自身实际
C.C国家政策
D.D安全生产实际
[判断题]中度精神发育迟滞患者智商在35~49之间,成年以后可达到9~12岁的心理年龄。( )
[填空题]Vitamins are organic compounds necessary, in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
They do not provide energy, ________ do they construct or build any part of the body. They are needed for ________ foods into energy and body maintenance. There are thirteen or more of them, and if ________ is missing a deficiency disease becomes ________ .
Vitamins are similar because they are made of the same elements―usually carbon, hydrogen, oxygen, and ______ nitrogen. They are different ______ their elements are arranged differently, and each vitamin ______ one or more specific functions in the body.
________ enough vitamins is essential to life, although the body has no nutritional use for ________ vitamins. Many people, ________ , believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’s vitamin needs.
A. A.any
B.some
C.anything
D.something
[判断题]党的地方各级代表大会如提前或延期举行,由它选举的委员会的任期不变。
A.正确
B.错误
[单选题]电光源类家用电器(例如电灯等)的平均使用年限为()
A.10年
B.12年
C.5年
D.2年
[单选题] 外形条索壮结重实,叶端扭曲,色泽油润,间带沙绿蜜黄(鳝皮色)不,具有“三节色”的特征;内质香气浓郁清长,岩韵明显,滋味醇厚,爽口回甘,汤色清澈,呈橙红色,叶底肥柔,“绿叶红镶边“是 ( )
A.闽北乌龙茶
B.闽南乌龙茶
C.工夫红茶
D.黑茶